package com.kuang.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.commons.collections.map.LinkedMap;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {

    //ShiroFilterFactoryBean:3
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("getDefaultWebSecurityManager") DefaultWebSecurityManager defaultWebSecurityManager) {
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);


        //添加shiro的内置过滤器
        /*
         *  anno:无需认证就可以访问
         *  authc：必须认证了才能访问
         *  user：必须拥有记住我功能才能用
         *  perms：拥有对某个资源的权限才能访问
         *  role：拥有某个角色权限才能访问
         */
        //授权

        //拦截
        Map<String, String> filterMap = new LinkedHashMap<String, String>();

        //授权
        filterMap.put("/user/add", "perms[user:add]");
        filterMap.put("/user/update", "perms[user:update]");

        filterMap.put("/user/*", "authc");
//        filterMap.put("/user/update", "authc");


        bean.setFilterChainDefinitionMap(filterMap);


        bean.setLoginUrl("/toLogin");
        //未授权页面
        bean.setUnauthorizedUrl("/noauth");


        return bean;
    }

    //获取DefaultWebSecurityManager:2
    @Bean
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //绑定realm
        securityManager.setRealm(userRealm);
        return securityManager;
    }


    //创建realm对象，需要自定义:1
    @Bean(name = "userRealm")
    public UserRealm userRealm() {
        return new UserRealm();
    }


    //整合thymeleaf和shiro
    @Bean
    public ShiroDialect getShiroDialect(){
        return new ShiroDialect();
    }


}
